.container{
  width: vw(375);
  height: 100vh;
  position: relative;
  padding-top: 70px;
  overflow-y: scroll;
  overflow-x: hidden;

  .header{
    position: absolute;
    top: 0;
    left: 0;
    width: vw(375);
    height: vw(50);
    background-color: chocolate;
    text-align: center;
    line-height: vw(50);
  }

  .main{
    width: vw(375);
    height: vw(1400);
    background-color: cornflowerblue;
  }
}